Don't know where to turn to address some of your most intimate and off-the-wall sexual concerns? Well, you've come to the right place.

Even if you're comfortable talking about your sex life with friends, there are likely some topics — such as
weird carnal concerns — that are too embarrassing to bring up, even to your best girls. But, hey, that's why
you have Cosmo! We asked experts to weigh in on some of the most outrageous sex worries women have.

The worry: "I'm not sure I'm tight enough down there."

The reality: All vaginas aren't created equal...but they're not far off. While guys may notice slight differences, it's nothing worth stressing
about since the variation is so minuscule. And if he does feel like he has extra room down there, it's almost certainly because he's on the small side.

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Worried that you'll become loose from too much use? "The vagina has a lot of elasticity and won't become stretched out from sexual activity," explains Ian Kerner, PhD, author of Passionista: The Empowered Woman's Guide to Pleasuring a Man. In fact, the only thing that can stretch you out is having a baby...and even that's minor.

To deal with what you may perceive as a lack of tightness, contract and release your pelvic-floor muscles — the ones you use to hold in pee — at random times during the day. Then when you're having sex, tighten them as he thrusts. You'll both find that you feel tighter, and you may even have a more intense orgasm. Or try this position to create more friction: Lie on your side with your thighs together, and have him enter you from behind.

The reality: Many of the XXX-rated movies guys watch have scenes in which the man says aggressive,
domineering things to the woman. So it might just be his attempt at emulating those scenes. It's not inherently bad (some men and women find rough talk hot); it just comes down to how you feel about it. "If it bothers you, let him know after you finish having sex that you find that version of dirty talk off-putting," advises Robin Sawyer, PhD, author of Sexpertise: Real Answers to Real Questions About Sex. Next time, give an example of the kinds of words that turn you on — if you set the tone, he'll follow suit. Guys want to make women happy in bed, so once they know they're doing something you don't like, they will stop...or at least should.

The reality: Maybe you've noticed him looking less than engaged during an oral session, or perhaps he hasn't seemed excited about you heading down south lately. If you're right about his being less than wowed, one of two things is probably happening: Either you're a little robotic about it and, as a result, he's a bit bored, or you're fretting about your mouth moves so much and acting so tentative that it's making him anxious too.

Regardless, if he doesn't think you're into it, chances are, he won't enjoy it when you're down there. "Showing enthusiasm and having a sexy attitude are key to giving him pleasurable oral,"says Susan Crain Bakos, author of The Sex Bible for Women. Not only will he go crazy when he senses that going
down on him is a huge turn-on for you, but you'll also love the complete control you suddenly have. So moan, flash a naughty glance upward, or just go at it with abandon. Trust us, he won't have any complaints.

The worry: "I really like it when he spanks me or tugs my hair during sex, which I'm concerned is not normal."

The reality: This should make you feel like less of an anomaly: A whopping 70 percent of Cosmo readers say they're game for trying something kinky. Here's the thing: Not only is partaking in some booty slapping a sign that you're able to have a little silly fun in bed, but there's science behind
why it feels good. When you're turned on, your body releases endorphins that make stinging slaps on the butt feel like pleasurable pats. The reason you may like a playful tress tug? "Your scalp has tons of nerve endings, and pulling your hair while you're aroused can activate them," Kerner says.

If you're too embarrassed to ask your man outright to do these things, show him what you're craving. Lightly pull on his hair while you're kissing or swat his butt while you're going at it and he'll be likely to return the favor.

The worry: "I love my guy, but I just had a really steamy dream about a chick."

The reality: There's no reason to question your sexual orientation if you have a naughty dream about a girl. "Female sexuality is less rigid than male sexuality, so it's common for women to be turned on by other women," Bakos says.

Instead of trying to forget it, use it to spice up your relationship. Tell your guy that you had a really bizarre dream that you also found very hot. You know how cartoon characters' eyes bulge out as their tongues roll to the floor and steam shoots out their ears? Yeah, that's pretty much what he'll look like when you describe it to him. Not willing to share? Use it to fuel a fantasy when you're with your man or even when you're flying solo.

The worry: "Sometimes pee slips out when I climax."

The reality: "During a G-spot orgasm, many women release a tiny bit of fluid that feels like urine but is actually a clear liquid that's considered female ejaculate," Kerner says. You can't prevent it from happening, and trying to may actually get you so caught up in your own head that you won't be able to orgasm.

If you're really convinced it's pee — though it almost never happens, particularly not to young women — be sure to empty your bladder before having sex. And if your guy is grossed out, remind him that he tends to make just a bit of a mess when he finishes.

The worry: "I pleasure myself daily and am worried I might be addicted to my vibrator."

The reality: The good news? You're not addicted, and you don't have to give up your daily alone time. The bad news? You can totally have too much of a good thing. "By relying on a sex toy that often, a woman might become too accustomed to a single approach to orgasm and be less able to enjoy variety with an actual person," Kerner explains. In other words, you can get so used to battery-powered orgasms that it becomes more difficult to achieve flesh-and-er-bone climaxes when you're with your guy.

The solution, however, is simple: Use your hands during at least half of your solo sessions. It may take a little longer, but the results are that much more satisfying. And if you're still worried, try avoiding self-gratification on days you know you'll be with your guy. The anticipation and desire will leave you eager for his human touch.

Read on to find out what fears get his panties in a bunch...

"I freak a little after a round of sex where she doesn't orgasm. If I have an off night, I lie there and wonder if she's going to call her friends the next day and discuss how I didn't get her off in bed." —Steven, 31

"I'm a clean guy, but after I've been in a crowded bar all night, I get sweaty. So if I go home with a girl, I'm always stressed that my junk might be gross and smell funny. Sometimes, I won't even let a girl go down there if I think it's bad." —Kurt, 23

"I love when a chick uses her hands on my package. But if a girl is really aggressive, I start to get nervous that she'll spend too much time on the tip. That spot is really sensitive, and too much stimulation can make me go soft." —Matt, 20

"I know that every guy has different-size balls, but mine are quite a bit larger than average. Whenever I hook up with a new girl, I stress over whether she's going to think I have elephantiasis." —Manny, 27

"So many crazy thoughts and desires bounce around my head during sex. If I thought the girl I was with was half as deranged as I am, it'd scare the crap out of me." —Chris, 35